1549 	pgoff_t first_page;	/* The first page to write */  member
1573 	if (mpd->first_page >= mpd->next_page)  in mpage_release_unused_pages()
1577 	index = mpd->first_page;  in mpage_release_unused_pages()
1601 			if (folio->index < mpd->first_page)  in mpage_release_unused_pages()
2100 	BUG_ON(page->index != mpd->first_page);  in mpage_submit_page()
2124 	mpd->first_page++;  in mpage_submit_page()
2515 	disksize = ((loff_t)mpd->first_page) << PAGE_SHIFT;  in mpage_map_and_submit_extent()
2578 	pgoff_t index = mpd->first_page;  in mpage_prepare_extent_to_map()
2654 				mpd->first_page = page->index;  in mpage_prepare_extent_to_map()
2760 		mpd.first_page = writeback_index;  in ext4_writepages()
2763 		mpd.first_page = wbc->range_start >> PAGE_SHIFT;  in ext4_writepages()
2772 		tag_pages_for_writeback(mapping, mpd.first_page, mpd.last_page);  in ext4_writepages()
2831 		trace_ext4_da_write_pages(inode, mpd.first_page, mpd.wbc);  in ext4_writepages()
2889 		mpd.first_page = 0;  in ext4_writepages()
2899 		mapping->writeback_index = mpd.first_page;  in ext4_writepages()